Multiple markers at this line
- implements java.awt.event.ActionListener.actionPerformed
- The method actionPerformed(ActionEvent) of type DimmingGlassPane.Animator must override a
superclass method
- Javadoc: Missing comment for private declaration
原因：JDK1.5不支持這種寫法。實現接口方法需要重寫抽象方法。
解決方法：將Compiler compliance level修改為1.6即可.
此處可能需要在兩個地方修改
(1) Eclipse的Window-Preferences->Java->Compiler
(2)Eclipse的Project->Properties->Java Compiler